1、关闭 NetworkManager

sudo service NetworkManager stop

2、gedit 打开 NetworkManager.state

sudo gedit /var/lib/NetworkManager/NetworkManager.state

3、按如下修改内容

NetworkingEnabled=true
WirelessEnabled=true
WWANEnabled=true

4、重启NetworkManager

sudo service NetworkManager restart

5、如果 NetworkManager not found ，使用 network-manager 替换